/*
 * Copyright 2017-2019 original authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.micronaut.function.executor;

/**
 * <p>Allows executing the function configured by {@link io.micronaut.function.LocalFunctionRegistry#FUNCTION_NAME}</p>.
 * <p>
 * <p>Or a named function</p>
 *
 * @param <I> input type
 * @param <O> output type
 * @author Graeme Rocher
 * @since 1.0
 */
public interface FunctionExecutor<I, O> {

    /**
     * Execute the function configured by {@link io.micronaut.function.LocalFunctionRegistry#FUNCTION_NAME}.
     *
     * @param input The input
     * @return The output
     */
    O execute(I input);
}
